Solve for x 3(x + 2) = 12
2 answers:
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Answer:
Step-by-step explanation:
Given the function and the output
when
, we can write the equation:
We can insert the value of into the function to verify the output equals
:
∴ We have verified that
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Answer:
The cost of Jelly Beans =
The cost of Trail Mix =
Step-by-step explanation:
Given the cost of 6 pounds of Jelly Beans and 2 pounds of trail mix is $12.
Also, the cost of 3 pounds of Jelly Beans and 5 pounds of Trail mix is $15.
Call the cost of one pound of Jelly beans as J
And cost of one pound of Trail Mix as T.
Now, converting the given data to mathematical form, we would have:
Dividing through out by 2 we have:
To solve (1) and (2), subtract the two equations which will give us:
⇒ T = 9/4
Substituting the value of T in (1), we have:
∴ J = 5/4